New R-410A systems stopped being made on January 1, 2025. An EPA rule effective July 27, 2026 allows systems built before 2025 that are still in stock to be installed, and servicing existing R-410A systems stays legal.
What changed
Federal rules are moving new air conditioners to refrigerants with a lower global warming impact. As of January 1, 2025, new R-410A systems stopped being made.
Can older stock still be installed?
Yes. An EPA rule effective July 27, 2026 allows R-410A systems manufactured before 2025 that are still in stock to be installed.
What it means for your current system
- Your existing R-410A system is legal to keep and run.
- Servicing and repairing existing R-410A systems stays legal.
- You do not need to replace a working system because of the transition.
When you replace
When it is time for a new system, we walk you through the options available, the refrigerant each one uses, and what that means for future service.
Quick answers
Do I have to replace my R-410A system?
No. Existing R-410A systems can keep running, and servicing them stays legal.
Can I still buy a new R-410A system?
Systems built before 2025 that are still in stock can be installed under an EPA rule effective July 27, 2026.
Will my repairs get more expensive?
Ask us about your specific system. We explain repair versus replacement honestly.
Correctly sized, high-efficiency systems from Trane, Carrier, Amana and American Standard.